98546881618981 has 8 divisors (see below), whose sum is σ = 102266643177720. Its totient is φ = 94848559608768.

The previous prime is 98546881618979. The next prime is 98546881619041. The reversal of 98546881618981 is 18981618864589.

It can be written as a sum of positive squares in 4 ways, for example, as 5256202754881 + 93290678864100 = 2292641^2 + 9658710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98546881618981 - 2¹ = 98546881618979 is a prime.

It is a super-2 number, since 2×98546881618981² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98546881618895 and 98546881618904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98546881618921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359877766 + ... + 5359896151.

It is an arithmetic number, because the mean of its divisors is an integer number (12783330397215).

Almost surely, 2^{98546881618981} is an apocalyptic number.

It is an amenable number.

98546881618981 is a deficient number, since it is larger than the sum of its proper divisors (3719761558739).

98546881618981 is a wasteful number, since it uses less digits than its factorization.

98546881618981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719774263.

The product of its digits is 1911029760, while the sum is 82.

The spelling of 98546881618981 in words is "ninety-eight trillion, five hundred forty-six billion, eight hundred eighty-one million, six hundred eighteen thousand, nine hundred eighty-one".